Adds a file descriptor to
The file descriptor is duplicated using dup(). You keep your copy
of the descriptor and the copy contained in
list will be closed
list is finalized.
A possible cause of failure is exceeding the per-process or system-wide file descriptor limit.
The index of the file descriptor in the list is returned. If you use
this index with
g_unix_fd_list_get() then you will receive back a
duplicated copy of the same file descriptor.
Available since: 2.24
A valid open file descriptor.
The return location for a recoverable error.
The argument can be
If the return location is not
NULL, then you must initialize it to a
The argument will left initialized to
NULLby the method if there are no errors.
In case of error, the argument will be set to a newly allocated
GError; the caller will take ownership of the data, and be responsible for freeing it.